'Unstable' in the Bible

since he is a double-minded individual, unstable in all his ways.

Their eyes, full of adultery, never stop sinning; they entice unstable people. They have trained their hearts for greed, these cursed children!

speaking of these things in all his letters. Some things in these letters are hard to understand, things the ignorant and unstable twist to their own destruction, as they also do to the rest of the scriptures.